<style>
@keyframes fade-in {
    0% { opacity; 0 }
    100% { opacity: 1 }
}
#setup-blockstrap p {
    margin: 0 0 10px;
}
#setup-blockstrap {
    display: block;
    position: fixed;
    font-size: 14px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 99999999;
    opacity: 0;
    background: black;
    color: white;
    margin: 0;
    font-family: sans-serif;
    line-height: 1.42857;
    animation: fade-in 0.5s forwards;
}
</style>

<div id="setup-blockstrap">
    <p>SETUP REQUIRED</p>
</div>